1 files changed, 28 insertions, 0 deletions
diff --git a/common/i2c_slave.c b/common/i2c_slave.c
new file mode 100644
index 0000000000..3dbb7d1036
--- /dev/null
+++ b/common/i2c_slave.c
@@ -0,0 +1,28 @@
+/* Copyright 2017 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* I2C slave cross-platform code for Chrome EC */
+
+#include "host_command.h"
+#include "i2c.h"
+#include "util.h"
+
+int i2c_get_protocol_info(struct host_cmd_handler_args *args)
+{
+	struct ec_response_get_protocol_info *r = args->response;
+
+	memset(r, 0, sizeof(*r));
+	r->protocol_versions = (1 << 3);
+	r->max_request_packet_size = I2C_MAX_HOST_PACKET_SIZE;
+	r->max_response_packet_size = I2C_MAX_HOST_PACKET_SIZE;
+	r->flags = 0;
+
+	args->response_size = sizeof(*r);
+
+	return EC_SUCCESS;
+}
+DECLARE_HOST_COMMAND(EC_CMD_GET_PROTOCOL_INFO,
+		     i2c_get_protocol_info,
+		     EC_VER_MASK(0));